Chapter 5 Internet access 83Nortel Business Secure Router 252 Configuration — AdvancedBasic setup completeYou have successfully connected, installed, and set up your Business SecureRouter to operate on your network, as well as access the Internet.If all your settings are correct, your Business Secure Router can connectautomatically to the Internet. If the connection fails, note the error message thatyou receive on the screen and take the appropriate troubleshooting steps.You can deactivate the firewall in menu 21.2 or using the embedded WebGUI inthe Business Secure Router. You can also define additional firewall rules ormodify existing ones, but exercise extreme caution in doing so. For moreinformation about the firewall, see Nortel Business Secure Router 252Configuration — Basics (NN47923-500).Idle Timeout This value specifies the number of idle seconds thatelapse before the Business Secure Routerautomatically disconnects the PPPoE session.0IP AddressAssignmentPress [ SPACE BAR ] to select Static or Dynamicaddress assignment.DynamicIP Address Enter the IP address supplied by your ISP, ifapplicable.N/ANetworkAddressTranslationPress [ SPACE BAR ] to select None, SUA Only orFull Feature. For more details about the single useraccount (SUA) feature, see “SUA (Single UserAccount) Versus NAT” on page 105.SUA OnlyAddressMapping SetType the numbers of mapping sets (1-8) to use withNAT. See the Chapter 9, “Network AddressTranslation (NAT),” on page 105 for details.N/AAfter you complete this menu, press [ENTER] at the prompt “Press ENTER to Confirm…”to save your configuration, or press [ESC] at any time to cancel.Note: If the firewall is activated, the default policy can communicatewith the Internet if the communication originates from the LAN, andblocks all traffic to the LAN that originates from the Internet.Table 17 Menu 4 Internet access setup (continued)Field Description Example
